./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor580626700 <...> Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts. execve("./syz-executor580626700", ["./syz-executor580626700"], 0x7ffc873dc1e0 /* 10 vars */) = 0 brk(NULL) = 0x55555e62e000 brk(0x55555e62ed40) = 0x55555e62ed40 arch_prctl(ARCH_SET_FS, 0x55555e62e3c0) = 0 set_tid_address(0x55555e62e690) = 5778 set_robust_list(0x55555e62e6a0, 24) = 0 rseq(0x55555e62ece0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor580626700", 4096) = 27 getrandom("\xb0\xa8\x78\x0f\x87\x2c\xc0\x68", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555e62ed40 brk(0x55555e64fd40) = 0x55555e64fd40 brk(0x55555e650000) = 0x55555e650000 mprotect(0x7f9069737000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555e62e690) = 5779 ./strace-static-x86_64: Process 5779 attached [pid 5779] set_robust_list(0x55555e62e6a0, 24) = 0 [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5779] setpgid(0, 0) = 0 [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5779] write(3, "1000", 4) = 4 [pid 5779] close(3executing program ) = 0 [pid 5779] write(1, "executing program\n", 18) = 18 [pid 5779] futex(0x7f906973d5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5779] rt_sigaction(SIGRT_1, {sa_handler=0x7f90696d61f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f90696c78a0}, NULL, 8) = 0 [pid 5779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9069647000 [pid 5779] mprotect(0x7f9069648000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9069667990, parent_tid=0x7f9069667990, exit_signal=0, stack=0x7f9069647000, stack_size=0x20300, tls=0x7f90696676c0}./strace-static-x86_64: Process 5780 attached => {parent_tid=[5780]}, 88) = 5780 [pid 5779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5779] futex(0x7f906973d5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5780] rseq(0x7f9069667fe0, 0x20, 0, 0x53053053 [pid 5779] futex(0x7f906973d5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5780] <... rseq resumed>) = 0 [pid 5780] set_robust_list(0x7f90696679a0, 24) = 0 [pid 5780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5780] memfd_create("syzkaller", 0) = 3 [pid 5780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9061200000 [pid 5780] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5780] munmap(0x7f9061200000, 138412032) = 0 [pid 5780] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5780] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5780] close(3) = 0 [pid 5780] close(4) = 0 [pid 5780] mkdir("./file0", 0777) = 0 [ 179.962615][ T5780] loop0: detected capacity change from 0 to 32768 [ 180.099387][ T5780] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 180.116129][ T5780] bcachefs (loop0): initializing new filesystem [ 180.127102][ T5780] bcachefs (loop0): going read-write [ 180.136717][ T5780] bcachefs (loop0): marking superblocks [ 180.161946][ T5780] ===================================================== [ 180.169249][ T5780] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 180.176587][ T5780] rw_aux_tree_set+0x4d2/0x580 [ 180.181518][ T5780] rw_aux_tree_insert_entry+0x6c3/0x970 [ 180.187300][ T5780] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 180.193329][ T5780] bch2_bset_insert+0x1621/0x19f0 [ 180.198458][ T5780] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 180.204481][ T5780] bch2_btree_insert_key_leaf+0x276/0x1050 [ 180.210483][ T5780] __bch2_trans_commit+0xaf5e/0xd190 [ 180.216095][ T5780] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 180.222636][ T5780] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 180.228281][ T5780] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 180.234548][ T5780] bch2_trans_mark_dev_sbs+0x32/0x40 [ 180.240017][ T5780] bch2_fs_initialize+0x19bd/0x35d0 [ 180.245455][ T5780] bch2_fs_start+0x77d/0xbd0 [ 180.250189][ T5780] bch2_fs_get_tree+0x13ea/0x22d0 [ 180.255497][ T5780] vfs_get_tree+0xb1/0x5a0 [ 180.260103][ T5780] do_new_mount+0x71f/0x15e0 [ 180.264965][ T5780] path_mount+0x742/0x1f10 [ 180.269530][ T5780] __se_sys_mount+0x722/0x810 [ 180.274469][ T5780] __x64_sys_mount+0xe4/0x150 [ 180.279291][ T5780] x64_sys_call+0x39bf/0x3c30 [ 180.284214][ T5780] do_syscall_64+0xcd/0x1e0 [ 180.288912][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.295114][ T5780] [ 180.297519][ T5780] Uninit was created at: [ 180.301929][ T5780] ___kmalloc_large_node+0x22c/0x370 [ 180.307475][ T5780] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 180.313509][ T5780] __kmalloc_node_noprof+0xc96/0x1250 [ 180.319069][ T5780] __kvmalloc_node_noprof+0xc0/0x2d0 [ 180.324558][ T5780] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 180.330628][ T5780] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 180.336443][ T5780] bch2_fs_open+0x4d3a/0x5b40 [ 180.341275][ T5780] bch2_fs_get_tree+0x983/0x22d0 [ 180.346503][ T5780] vfs_get_tree+0xb1/0x5a0 [ 180.351113][ T5780] do_new_mount+0x71f/0x15e0 [ 180.355948][ T5780] path_mount+0x742/0x1f10 [ 180.360499][ T5780] __se_sys_mount+0x722/0x810 [ 180.365403][ T5780] __x64_sys_mount+0xe4/0x150 [ 180.370247][ T5780] x64_sys_call+0x39bf/0x3c30 [ 180.375219][ T5780] do_syscall_64+0xcd/0x1e0 [ 180.379884][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.386029][ T5780] [ 180.388456][ T5780] CPU: 0 UID: 0 PID: 5780 Comm: syz-executor580 Not tainted 6.13.0-rc7-syzkaller-00102-gce69b4019001 #0 [ 180.399894][ T5780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 180.410132][ T5780] ===================================================== [ 180.417243][ T5780] Disabling lock debugging due to kernel taint [ 180.423546][ T5780] Kernel panic - not syncing: kmsan.panic set ... [ 180.430037][ T5780] CPU: 0 UID: 0 PID: 5780 Comm: syz-executor580 Tainted: G B 6.13.0-rc7-syzkaller-00102-gce69b4019001 #0 [ 180.442760][ T5780] Tainted: [B]=BAD_PAGE [ 180.446968][ T5780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 180.457113][ T5780] Call Trace: [ 180.460478][ T5780] [ 180.463502][ T5780] dump_stack_lvl+0x216/0x2d0 [ 180.468304][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.474231][ T5780] dump_stack+0x1e/0x24 [ 180.478513][ T5780] panic+0x4e2/0xcf0 [ 180.482547][ T5780] ? kmsan_get_metadata+0x111/0x1c0 [ 180.487892][ T5780] kmsan_report+0x2c7/0x2d0 [ 180.492518][ T5780] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 180.498628][ T5780] ? __msan_warning+0x95/0x120 [ 180.503542][ T5780] ? rw_aux_tree_set+0x4d2/0x580 [ 180.508589][ T5780] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 180.514419][ T5780] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 180.520510][ T5780] ? bch2_bset_insert+0x1621/0x19f0 [ 180.525825][ T5780] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 180.531923][ T5780] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 180.538035][ T5780] ? __bch2_trans_commit+0xaf5e/0xd190 [ 180.543610][ T5780] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 180.550152][ T5780] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 180.555903][ T5780] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 180.562209][ T5780] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 180.567852][ T5780] ? bch2_fs_initialize+0x19bd/0x35d0 [ 180.573333][ T5780] ? bch2_fs_start+0x77d/0xbd0 [ 180.578185][ T5780] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 180.583492][ T5780] ? vfs_get_tree+0xb1/0x5a0 [ 180.588294][ T5780] ? do_new_mount+0x71f/0x15e0 [ 180.593150][ T5780] ? path_mount+0x742/0x1f10 [ 180.597859][ T5780] ? __se_sys_mount+0x722/0x810 [ 180.602958][ T5780] ? __x64_sys_mount+0xe4/0x150 [ 180.607900][ T5780] ? x64_sys_call+0x39bf/0x3c30 [ 180.612883][ T5780] ? do_syscall_64+0xcd/0x1e0 [ 180.617656][ T5780] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.623866][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.629784][ T5780] ? filter_irq_stacks+0x164/0x1a0 [ 180.635034][ T5780] ? stack_depot_save_flags+0x2c/0x750 [ 180.640617][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.645917][ T5780] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 180.652403][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.657713][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.663636][ T5780] __msan_warning+0x95/0x120 [ 180.668357][ T5780] rw_aux_tree_set+0x4d2/0x580 [ 180.673224][ T5780] ? bset_aux_tree_verify+0x44d/0x4a0 [ 180.678709][ T5780] rw_aux_tree_insert_entry+0x6c3/0x970 [ 180.684384][ T5780] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 180.690328][ T5780] ? bch2_bkey_pack_key+0x1745/0x1860 [ 180.695843][ T5780] bch2_bset_insert+0x1621/0x19f0 [ 180.700996][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.706384][ T5780] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 180.712752][ T5780] ? __msan_memcpy+0x108/0x1c0 [ 180.717665][ T5780] bch2_btree_insert_key_leaf+0x276/0x1050 [ 180.723648][ T5780] __bch2_trans_commit+0xaf5e/0xd190 [ 180.729159][ T5780] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 180.735538][ T5780] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 180.742699][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.748005][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.753939][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.759262][ T5780] ? kmsan_save_stack_with_flags+0x10/0x60 [ 180.765219][ T5780] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 180.770868][ T5780] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 180.776983][ T5780] bch2_trans_mark_dev_sbs+0x32/0x40 [ 180.782412][ T5780] bch2_fs_initialize+0x19bd/0x35d0 [ 180.787730][ T5780] ? kmsan_internal_poison_memory+0x49/0x90 [ 180.793762][ T5780] ? kmsan_slab_free+0xd0/0x140 [ 180.798743][ T5780] ? kfree+0x240/0xdb0 [ 180.802948][ T5780] ? bch2_printbuf_exit+0x9b/0xd0 [ 180.808186][ T5780] ? print_mount_opts+0x4ca/0x4f0 [ 180.813327][ T5780] ? bch2_fs_start+0x59/0xbd0 [ 180.818097][ T5780] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 180.823402][ T5780] ? vfs_get_tree+0xb1/0x5a0 [ 180.828116][ T5780] ? do_new_mount+0x71f/0x15e0 [ 180.832973][ T5780] ? path_mount+0x742/0x1f10 [ 180.837674][ T5780] ? __se_sys_mount+0x722/0x810 [ 180.842678][ T5780] ? __x64_sys_mount+0xe4/0x150 [ 180.847622][ T5780] ? x64_sys_call+0x39bf/0x3c30 [ 180.852614][ T5780] ? do_syscall_64+0xcd/0x1e0 [ 180.857391][ T5780] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.863769][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.869100][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.875010][ T5780] ? kfree+0x1a7/0xdb0 [ 180.879187][ T5780] ? filter_irq_stacks+0x60/0x1a0 [ 180.884330][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.889634][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.894945][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.900859][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.906269][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.911583][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.917530][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.923068][ T5780] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 180.929533][ T5780] ? llist_reverse_order+0x102/0x130 [ 180.934930][ T5780] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 180.941149][ T5780] ? __closure_wake_up+0x16a/0x180 [ 180.946388][ T5780] bch2_fs_start+0x77d/0xbd0 [ 180.951109][ T5780] bch2_fs_get_tree+0x13ea/0x22d0 [ 180.956350][ T5780] vfs_get_tree+0xb1/0x5a0 [ 180.960894][ T5780] ? mount_capable+0x97/0x120 [ 180.965689][ T5780] do_new_mount+0x71f/0x15e0 [ 180.970406][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.975718][ T5780] path_mount+0x742/0x1f10 [ 180.980230][ T5780] ? user_path_at+0x374/0x3e0 [ 180.985061][ T5780] __se_sys_mount+0x722/0x810 [ 180.989906][ T5780] ? ptrace_notify+0x263/0x320 [ 180.994806][ T5780] __x64_sys_mount+0xe4/0x150 [ 180.999680][ T5780] x64_sys_call+0x39bf/0x3c30 [ 181.004485][ T5780] do_syscall_64+0xcd/0x1e0 [ 181.009090][ T5780] ? clear_bhb_loop+0x25/0x80 [ 181.013867][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.019941][ T5780] RIP: 0033:0x7f90696b172a [ 181.024497][ T5780] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 181.044508][ T5780] RSP: 002b:00007f9069667088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 181.053078][ T5780] RAX: ffffffffffffffda RBX: 00007f90696670a0 RCX: 00007f90696b172a [ 181.061685][ T5780] RDX: 00000000200000c0 RSI: 0000000020000200 RDI: 00007f90696670a0 [ 181.069779][ T5780] RBP: 0000000000000004 R08: 00007f90696670e0 R09: 00000000000059fd [ 181.077843][ T5780] R10: 0000000002004012 R11: 0000000000000282 R12: 00007f90696670e0 [ 181.085900][ T5780] R13: 0000000002004012 R14: 0000000000000003 R15: 0000000001000000 [ 181.093972][ T5780] [ 181.097326][ T5780] Kernel Offset: disabled [ 181.101719][ T5780] Rebooting in 86400 seconds..